$OpenBSD: patch-src_ball_c,v 1.1 2015/11/24 03:13:26 jsg Exp $
--- src/ball.c.orig	Mon Nov 23 11:49:01 2015
+++ src/ball.c	Mon Nov 23 11:49:30 2015
@@ -32,6 +32,7 @@
 #include "options.h"
 #include "font.h"
 
+#undef GL_VERTEX_PROGRAM_NV
 
 #ifdef GL_VERTEX_ARRAY
    #define USE_VERTEX_ARRAYS
